lamp shells — ▪ animal Introduction also called brachiopod, any member of the phylum Brachiopoda, a group of bottom dwelling marine invertebrates. They are covered by two valves, or shells; one valve covers the dorsal, or top, side; the other covers… … Universalium

Door — For other uses, see Door (disambiguation). A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space. When open, they admit ventilation… … Wikipedia

Deconstruction and Derrida — Simon Critchley and Timothy Mooney DERRIDIAN DECONSTRUCTION1 In the last twenty five years or so, particularly in the English speaking world, no philosopher has attracted more notoriety, controversy and misunderstanding than Jacques Derrida.… … History of philosophy

Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia

Gideon Fell — Doctor Gideon Fell is a fictional character created by John Dickson Carr. He is the protagonist of 23 novels from 1933 through 1967 as well as a few short stories. Carr was an American who lived most of his adult life in England; Dr. Fell is an… … Wikipedia

Slate and stylus — The slate and stylus are tools used by blind persons to write text that they can read without assistance. [Alpha Chi Omega (1908)] [Shrady, etc al.(1902)] Invented by Charles Barbier and Louis Braille as the tool for writing Braille, [Lowell, et… … Wikipedia